#define _CRT_SECURE_NO_WARNINGS 1
#include<stdio.h>
int main()
{
	int a, b, c, max;
	scanf("%d%d%d", &a, &b, &c);
	if (a > b)
	{
		max = a;
		a = b;
		b = max;
	}
	if (b > c)
	{
		max = b;
		b = c;
		c = max;
	}
	if (a > b)
	{
		max = a;
		a = b;
		b = max;
	}
	
	printf("%d<%d<%d", a, b, c);
	return 0;
}